A couple new regression tests to make sure we always pattern match the new

opcodes on ppc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26256 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 51 insertions, 0 deletions

diff --git a/test/CodeGen/PowerPC/addc.ll b/test/CodeGen/PowerPC/addc.ll
new file mode 100644
index 0000000..fb4b89f
--- /dev/null
+++ b/test/CodeGen/PowerPC/addc.ll
@@ -0,0 +1,26 @@
+; All of these ands and shifts should be folded into rlwimi's
+; RUN: llvm-as < %s | llc -march=ppc32 | grep addc | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep adde | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep addze | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep addme | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep addic | wc -l | grep 2
+
+implementation   ; Functions:
+
+long %add_ll(long %a, long %b) {
+entry:
+	%tmp.2 = add long %b, %a		; <long> [#uses=1]
+	ret long %tmp.2
+}
+
+long %add_l_5(long %a) {
+entry:
+	%tmp.1 = add long %a, 5		; <long> [#uses=1]
+	ret long %tmp.1
+}
+
+long %add_l_m5(long %a) {
+entry:
+	%tmp.1 = add long %a, -5		; <long> [#uses=1]
+	ret long %tmp.1
+}
diff --git a/test/CodeGen/PowerPC/subc.ll b/test/CodeGen/PowerPC/subc.ll
new file mode 100644
index 0000000..9e64c2c
--- /dev/null
+++ b/test/CodeGen/PowerPC/subc.ll
@@ -0,0 +1,25 @@
+; All of these ands and shifts should be folded into rlwimi's
+; RUN: llvm-as < %s | llc -march=ppc32 | grep subfc | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep subfe | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep subfze | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep subfme | wc -l | grep 1 &&
+; RUN: llvm-as < %s | llc -march=ppc32 | grep subfic | wc -l | grep 2
+implementation   ; Functions:
+
+long %sub_ll(long %a, long %b) {
+entry:
+	%tmp.2 = sub long %a, %b		; <long> [#uses=1]
+	ret long %tmp.2
+}
+
+long %sub_l_5(long %a) {
+entry:
+	%tmp.1 = sub long 5, %a		; <long> [#uses=1]
+	ret long %tmp.1
+}
+
+long %sub_l_m5(long %a) {
+entry:
+	%tmp.1 = sub long -5, %a		; <long> [#uses=1]
+	ret long %tmp.1
+}